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WO2019157981A1 - Conception de format d'informations de commande de liaison descendante dans des communications mobiles - Google Patents

Conception de format d'informations de commande de liaison descendante dans des communications mobiles Download PDF

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Publication number
WO2019157981A1
WO2019157981A1 PCT/CN2019/074339 CN2019074339W WO2019157981A1 WO 2019157981 A1 WO2019157981 A1 WO 2019157981A1 CN 2019074339 W CN2019074339 W CN 2019074339W WO 2019157981 A1 WO2019157981 A1 WO 2019157981A1
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WIPO (PCT)
Prior art keywords
sul
dci format
dci
indicator
processor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2019/074339
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English (en)
Inventor
Abdelkader Medles
Viertola Jaakko MATIAS
Mikko Oskari Kyllonen
Teemu Tapio Virtanen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MediaTek Singapore Pte Ltd
MediaTek Inc
Original Assignee
MediaTek Singapore Pte Ltd
MediaTek Inc
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Filing date
Publication date
Application filed by MediaTek Singapore Pte Ltd, MediaTek Inc filed Critical MediaTek Singapore Pte Ltd
Priority to CN201980000969.XA priority Critical patent/CN110383929A/zh
Publication of WO2019157981A1 publication Critical patent/WO2019157981A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH

Definitions

  • the present disclosure is generally related to mobile communications and, more particularly, to downlink control information (DCI) format design with respect to user equipment and network apparatus in mobile communications.
  • DCI downlink control information
  • supplementary uplink (SUL) transmission is introduced to facilitate uplink transmissions.
  • a low-frequency carrier may be used for SUL in addition to a normal uplink carrier. Due to the lower frequency, the uplink coverage may be improved by transmission on the SUL.
  • the SUL may be configured for performing the physical uplink shared channel (PUSCH) transmission.
  • PUSCH physical uplink shared channel
  • an indicator bit e.g., UL/SUL indicator
  • the UL/SUL indicator may be placed in the DCI format.
  • the DCI number of bits may also be different.
  • having different DCI sizes for UL/SUL may increase the blind decoding complexity at the receiver side.
  • the DCI sizes for UL/SUL may be made equal by adding paddings.
  • using paddings and having the UL/SUL indicator position dependent of the DCI size for UL/SUL will create a problem of ambiguity in the DCI decoding.
  • the user equipment (UE) is not able to distinguish the UL/SUL indicator from the paddings.
  • the UE may not know whether the UL/SUL indicator is configured or not.
  • the UE may have difficult to determine whether such DCI is for the UL or the SUL.
  • An objective of the present disclosure is to propose solutions or schemes that address the aforementioned issues pertaining to DCI format design with respect to user equipment and network apparatus in mobile communications.
  • a method may involve an apparatus receiving a DCI format from a network node.
  • the method may also involve the apparatus retrieving an indicator from a fixed position of the DCI format.
  • the method may further involve the apparatus determining whether a SUL is configured according to the indicator.
  • the method may further involve the apparatus performing a PUSCH transmission according to a determination result.
  • an apparatus may comprise a transceiver capable of wirelessly communicating with a network node of a wireless network.
  • the apparatus may also comprise a processor communicatively coupled to the transceiver.
  • the processor may be capable of receiving a DCI format from the network node.
  • the processor may also be capable of retrieving an indicator from a fixed position of the DCI format.
  • the processor may further be capable of determining whether a SUL is configured according to the indicator.
  • the processor may further be capable of performing a PUSCH transmission according to a determination result.
  • LTE Long-Term Evolution
  • LTE-Advanced Long-Term Evolution-Advanced
  • LTE-Advanced Pro 5th Generation
  • 5G New Radio
  • NR New Radio
  • IoT Internet-of-Things
  • NB-IoT Narrow Band Internet of Things
  • the proposed concepts, schemes and any variation (s) /derivative (s) thereof may be implemented in, for and by other types of radio access technologies, networks and network topologies.
  • the scope of the present disclosure is not limited to the examples described herein.
  • FIG. 1 is a diagram depicting an example scenario under schemes in accordance with implementations of the present disclosure.
  • FIG. 2 is a diagram depicting an example scenario under schemes in accordance with implementations of the present disclosure.
  • FIG. 3 is a diagram depicting an example scenario under schemes in accordance with implementations of the present disclosure.
  • FIG. 4 is a diagram depicting example scenarios under schemes in accordance with implementations of the present disclosure.
  • FIG. 5 is a block diagram of an example communication apparatus and an example network apparatus in accordance with an implementation of the present disclosure.
  • FIG. 6 is a flowchart of an example process in accordance with an implementation of the present disclosure.
  • Implementations in accordance with the present disclosure relate to various techniques, methods, schemes and/or solutions pertaining to DCI format design with respect to user equipment and network apparatus in mobile communications.
  • a number of possible solutions may be implemented separately or jointly. That is, although these possible solutions may be described below separately, two or more of these possible solutions may be implemented in one combination or another.
  • supplementary uplink (SUL) transmission is introduced to facilitate uplink transmissions.
  • a low-frequency carrier may be used for SUL in addition to a normal uplink carrier. Due to the lower frequency, the uplink coverage may be improved by transmission on the SUL.
  • the SUL may be configured for performing the PUSCH transmission.
  • an indicator bit e.g., UL/SUL indicator
  • the UL/SUL indicator may be placed in the DCI format.
  • the DCI number of bits may also be different.
  • having different DCI sizes for UL/SUL may increase the blind decoding complexity at the receiver side. Accordingly, in order to reduce the blind decoding complexity, the DCI sizes for UL/SUL may be made equal by adding zero-padding.
  • the PUSCH is configured to be transmitted on both the SUL and the non-SUL of the cell and if the number of information bits in format 0_1 for the SUL is not equal to the number of information bits in format 0_1 for the non-SUL, zeros shall be appended to smaller format 0_1 until the payload size equals that of the larger format 0_1.
  • FIG. 1 illustrates an example scenario 100 under schemes in accordance with implementations of the present disclosure.
  • Scenario 100 involves a UE and a network node, which may be a part of a wireless communication network (e.g., an LTE network, an LTE-Advanced network, an LTE-Advanced Pro network, a 5G network, an NR network, an IoT network or an NB-IoT network) .
  • the DCI for UL and SUL may comprise different DCI number of bits.
  • the DCI for UL may comprise N1 bits.
  • the DCI for SUL (e.g., SUL DCI) may comprise N2 bits.
  • N1 may be greater than N2.
  • the YYY...Y bits (e.g., N1 -N2) comprise the value of 100...0, the UE may not be able to determine whether the DCI is for UL or the SUL due to the ambiguity.
  • the network node may add the zero-paddings to the end of the DCI for SUL.
  • N1 -N2 padded zeros may be added to the end of the DCI for SUL.
  • the last bit of the DCI for SUL e.g., “0”
  • the last bit of the DCI for UL e.g., “0”
  • the UE may not know whether the UL/SUL indicator is configured or not.
  • the UE may have difficult to determine whether such DCI is for the UL or the SUL.
  • FIG. 2 illustrates an example scenario 200 under schemes in accordance with implementations of the present disclosure.
  • Scenario 200 involves a UE and a network node, which may be a part of a wireless communication network (e.g., an LTE network, an LTE-Advanced network, an LTE-Advanced Pro network, a 5G network, an NR network, an IoT network or an NB-IoT network) .
  • the DCI format 1_0 for downlink (DL) (e.g., Format 1_0 DL DCI) may comprise N3 bits.
  • the DCI format 0_0 for UL (e.g., Format 0_0 UL DCI) may comprise N1 bits.
  • the DCI format 0_0 for SUL may comprise N2 bits.
  • the relationship among N1, N2 and N3 may be N3 ⁇ N1 > N2.
  • zero paddings will be applied to DCI format 0_0 in an event that the size of DCI format 0_1 (e.g., N3) is greater than the size of DCI format 0_0 (e.g., N1 and N2) .
  • the network node may add the zero-paddings to the end of the DCI format 0_0 for UL and DCI format 0_0 for SUL. For example, N3 –N1 padded zeros may be added to the end of the DCI format 0_0 for UL.
  • N3 –N2 padded zeros may be added to the end of the DCI format 0_0 for SUL.
  • the last bit of the DCI format 0_0 for SUL (e.g., “0” ) is the same as the last bit of the DCI format 0_0 for UL (e.g., “0” ) .
  • the UE may not know whether the UL/SUL indicator is configured or not. The UE may have difficult to determine whether such DCI is for the UL or the SUL.
  • the present disclosure proposes a number of schemes regarding DCI format design to avoid UL/SUL indicator bit ambiguity while applying padding to guarantee equal size of UL/SUL DCI sizes with respect to the UE and the network apparatus.
  • the network apparatus may be configured to place the UL/SUL indicator at a fixed position in the DCI format.
  • the UE may be able to identify/detect the UL/SUL indicator according to the fixed position of the DCI format and avoid ambiguity even when zero-padding is applied to the DCI format.
  • FIG. 3 illustrates an example scenario 300 under schemes in accordance with implementations of the present disclosure.
  • Scenario 300 involves a UE and a network node, which may be a part of a wireless communication network (e.g., an LTE network, an LTE-Advanced network, an LTE-Advanced Pro network, a 5G network, an NR network, an IoT network or an NB-IoT network) .
  • the UE may be configured to camp on the network node.
  • the network node may be configured to transmit DCI format to schedule DL or UL transmissions.
  • the DCI format may comprise the DCI format 0_0 or the DCI format 0_1.
  • the DCI format may comprise a plurality of information fields.
  • the DCI format may comprise a carrier indicator, a DCI format identifier and an UL/SUL indicator.
  • the carrier indicator may comprise 0 or 3 bits and may be configured for monitoring physical downlink control channel (PDCCH) candidates.
  • the DCI format identifier may comprise 1 bit for indicating an UL DCI format in an event that the value is set to 0.
  • the UL/SUL indicator may comprise 0 or 1 bit.
  • the UL/SUL indicator may comprise 0 bit when the UE is not configured with SUL in the cell or the UE is configured with SUL in the cell but only PUCCH carrier in the cell is configured for PUSCH transmission.
  • the UL/SUL indicator may comprise 1 bit when the UE is configured with SUL in the cell.
  • the network node may be configured to place the UL/SUL indicator at a fixed position of the DCI format.
  • the fixed position may be a front position of the DCI format or an end position of the DCI format.
  • the UL/SUL indicator may be placed after the carrier indicator and/or the DCI format identifier.
  • the carrier indicator may be placed before the DCI format identifier (e.g., FIG. 3) .
  • the DCI format identifier may be placed before the carrier indicator.
  • the UL/SUL indicator may also be placed at any other position of the DCI format as long as the position of the UL/SUL indicator is fixed.
  • the UL/SUL indicator may be placed at the end or any other positions fixed with respect to end after the zero padding to match DCI format sizes.
  • the UL/SUL indicator may be placed at the last bit position of the DCI format 0_0 after the padding bit (s) .
  • the UE may be configured to retrieve the UL/SUL indicator from a fixed position of the DCI format.
  • the UE may be able to determine whether the SUL is configured according to the indicator. In an event that the indicator comprises 0 bit, the UE may determine that the SUL is not configured. In an event that the indicator comprises 1 bit, the UE may determine that the SUL not configured.
  • the UE may be configured to perform the PUSCH transmission according to the determination result.
  • FIG. 4 illustrates example scenarios 401 and 402 under schemes in accordance with implementations of the present disclosure.
  • Each of scenario 401 and 402 involves a UE and a network node, which may be a part of a wireless communication network (e.g., an LTE network, an LTE-Advanced network, an LTE-Advanced Pro network, a 5G network, an NR network, an IoT network or an NB-IoT network) .
  • Scenarios 401 and 402 illustrate an alternative scheme that the UL/SUL indicator may be bit extended to the end of the DCI format instead of zero padding in order to match the DCI size for UL/SUL DCIs.
  • the DCI format may comprise the DCI format 0_0 or the DCI format 0_1.
  • the DCI for UL e.g., UL DCI
  • the DCI for SUL e.g., SUL DCI
  • N1 may be greater than N2.
  • the network node instead of adding zero paddings (e.g., N1 –N2 bits) to the DCI for SUL, the network node may be configured to extend the UL/SUL indicator to the end of the DCI format (e.g., 11...11) .
  • the DCI size of the DCI for SUL may be matched with the DCI size of the DCI for UL and the last bit of the DCI for SUL may have the same value as the UL/SUL indicator. Accordingly, the UE may be able to determine whether the DCI is for UL or SUL according to the last bit of the received DCI format. The ambiguity due to the zero-padding may be avoided.
  • the DCI for UL may comprise N1 bits.
  • the DCI for SUL (e.g., SUL DCI) may comprise N2 bits.
  • N1 may be less than or equal to N2.
  • the network node instead of adding zero paddings (e.g., N2 –N1 bits) to the DCI for UL, the network node may be configured to extend the last bit of DCI to the end of the DCI format (e.g., 00...00) .
  • the DCI size of the DCI for UL may be matched with the DCI size of the DCI for SUL and the last bit of the DCI for UL may have the same value as the UL/SUL indicator. Accordingly, the UE may be able to determine whether the DCI is for UL or SUL according to the last bit of the received DCI format. The ambiguity due to the zero-padding may be avoided.
  • Such scheme may be seen as padding by the repetitions of the UL/SUL indicator bit instead of the zero bits.
  • other variations of the proposed schemes may also be used.
  • partial padding by the repetitions of UL/SUL indicator bit may achieve the same effect.
  • the network node may be configured to replace only part of the zero padded bits by repetition of UL/SUL indicator bit. For example, in the case of scenario 200, it is enough to bit extend over the N1 -N2 padded bits and not all the N3 -N2 padded bits for the DCI format 0_0.
  • the bit extension or the repetition of a single bit may be replaced by the repetition of multiple bits in an event that the indicator or the information needed to be identified at the end of the DCI format corresponds to multiple bits.
  • FIG. 5 illustrates an example communication apparatus 510 and an example network apparatus 520 in accordance with an implementation of the present disclosure.
  • Each of communication apparatus 510 and network apparatus 520 may perform various functions to implement schemes, techniques, processes and methods described herein pertaining to DCI format design with respect to user equipment and network apparatus in wireless communications, including scenarios 300, 401 and 402 described above as well as process 600 described below.
  • Communication apparatus 510 may be a part of an electronic apparatus, which may be a UE such as a portable or mobile apparatus, a wearable apparatus, a wireless communication apparatus or a computing apparatus.
  • communication apparatus 510 may be implemented in a smartphone, a smartwatch, a personal digital assistant, a digital camera, or a computing equipment such as a tablet computer, a laptop computer or a notebook computer.
  • Communication apparatus 510 may also be a part of a machine type apparatus, which may be an IoT or NB-IoT apparatus such as an immobile or a stationary apparatus, a home apparatus, a wire communication apparatus or a computing apparatus.
  • communication apparatus 510 may be implemented in a smart thermostat, a smart fridge, a smart door lock, a wireless speaker or a home control center.
  • communication apparatus 510 may be implemented in the form of one or more integrated-circuit (IC) chips such as, for example and without limitation, one or more single-core processors, one or more multi-core processors, one or more reduced-instruction set computing (RISC) processors, or one or more complex-instruction-set-computing (CISC) processors.
  • IC integrated-circuit
  • RISC reduced-instruction set computing
  • CISC complex-instruction-set-computing
  • Communication apparatus 510 may further include one or more other components not pertinent to the proposed scheme of the present disclosure (e.g., internal power supply, display device and/or user interface device) , and, thus, such component (s) of communication apparatus 510 are neither shown in FIG. 5 nor described below in the interest of simplicity and brevity.
  • other components e.g., internal power supply, display device and/or user interface device
  • Network apparatus 520 may be a part of an electronic apparatus, which may be a network node such as a base station, a small cell, a router or a gateway.
  • network apparatus 520 may be implemented in an eNodeB in an LTE, LTE-Advanced or LTE-Advanced Pro network or in a gNB in a 5G, NR, IoT or NB-IoT network.
  • network apparatus 520 may be implemented in the form of one or more IC chips such as, for example and without limitation, one or more single-core processors, one or more multi-core processors, or one or more RISC or CISC processors.
  • Network apparatus 520 may include at least some of those components shown in FIG.
  • Network apparatus 520 may further include one or more other components not pertinent to the proposed scheme of the present disclosure (e.g., internal power supply, display device and/or user interface device) , and, thus, such component (s) of network apparatus 520 are neither shown in FIG. 5 nor described below in the interest of simplicity and brevity.
  • components not pertinent to the proposed scheme of the present disclosure e.g., internal power supply, display device and/or user interface device
  • each of processor 512 and processor 522 may be implemented in the form of one or more single-core processors, one or more multi-core processors, or one or more RISC or CISC processors. That is, even though a singular term “a processor” is used herein to refer to processor 512 and processor 522, each of processor 512 and processor 522 may include multiple processors in some implementations and a single processor in other implementations in accordance with the present disclosure.
  • each of processor 512 and processor 522 may be implemented in the form of hardware (and, optionally, firmware) with electronic components including, for example and without limitation, one or more transistors, one or more diodes, one or more capacitors, one or more resistors, one or more inductors, one or more memristors and/or one or more varactors that are configured and arranged to achieve specific purposes in accordance with the present disclosure.
  • each of processor 512 and processor 522 is a special-purpose machine specifically designed, arranged and configured to perform specific tasks including power consumption reduction in a device (e.g., as represented by communication apparatus 510) and a network (e.g., as represented by network apparatus 520) in accordance with various implementations of the present disclosure.
  • communication apparatus 510 may also include a transceiver 516 coupled to processor 512 and capable of wirelessly transmitting and receiving data.
  • communication apparatus 510 may further include a memory 514 coupled to processor 512 and capable of being accessed by processor 512 and storing data therein.
  • network apparatus 520 may also include a transceiver 526 coupled to processor 522 and capable of wirelessly transmitting and receiving data.
  • network apparatus 520 may further include a memory 524 coupled to processor 522 and capable of being accessed by processor 522 and storing data therein. Accordingly, communication apparatus 510 and network apparatus 520 may wirelessly communicate with each other via transceiver 516 and transceiver 526, respectively.
  • each of communication apparatus 510 and network apparatus 520 is provided in the context of a mobile communication environment in which communication apparatus 510 is implemented in or as a communication apparatus or a UE and network apparatus 520 is implemented in or as a network node of a communication network.
  • communication apparatus 510 may be configured to camp on network apparatus 520.
  • Processor 522 may be configured to transmit, via transceiver 526, DCI format to schedule DL or UL transmissions to communication apparatus 510.
  • Processor 522 may transmit, via transceiver 526, the DCI format 0_0 or the DCI format 0_1 to communication apparatus 510.
  • Processor 522 may include a plurality of information fields in the DCI format.
  • processor 522 may include a carrier indicator, a DCI format identifier and an UL/SUL indicator in the DCI format.
  • Processor 522 may use 0 or 3 bits for the carrier indicator.
  • Processor 522 may use the carrier indicator to configure communication apparatus 510 for monitoring PDCCH candidates.
  • Processor 522 may use 1 bit for the DCI format identifier.
  • Processor 522 may set the value of the DCI format identifier to 0 to indicate an UL DCI format.
  • Processor 522 may use 0 or 1 bit for the UL/SUL indicator.
  • Processor 522 may use 0 bit for the UL/SUL indicator when communication apparatus 510 is not configured with SUL in the cell or communication apparatus 510 is configured with SUL in the cell but only PUCCH carrier in the cell is configured for PUSCH transmission.
  • Processor 522 may use 1 bit for the UL/SUL indicator when communication apparatus 510 is configured with SUL in the cell.
  • processor 522 may be configured to place the UL/SUL indicator at a fixed position of the DCI format.
  • Processor 522 may place the UL/SUL indicator at a front position of the DCI format or an end position of the DCI format. For example, processor 522 may place the UL/SUL indicator after the carrier indicator and/or the DCI format identifier.
  • Processor 522 may place the carrier indicator in front of the DCI format identifier.
  • processor 522 may place the DCI format identifier in front of the carrier indicator.
  • processor 522 may place the UL/SUL indicator at any other position of the DCI format as long as the position of the UL/SUL indicator is fixed. Processor 522 may place the UL/SUL indicator at the end or any other positions fixed with respect to end after the zero padding to match DCI format sizes. For example, processor 522 may place the UL/SUL indicator at the last bit position of the DCI format 0_0 after the padding bit (s) .
  • processor 512 may be configured to retrieve the UL/SUL indicator from a fixed position of the DCI format. Processor 512 may be able to determine whether the SUL is configured according to the indicator. In an event that the indicator comprises 0 bit, processor 512 may determine that the SUL is not configured. In an event that the indicator comprises 1 bit, processor 512 may determine that the SUL not configured. Processor 512 may be configured to perform, via transceiver 516, the PUSCH transmission according to the determination result.
  • processor 522 may use bit extension to extend the UL/SUL indicator to the end of the DCI format instead of adding zero padding in order to match the DCI size for UL/SUL DCIs.
  • Processor 522 may use bit extension scheme for the DCI format 0_0 or the DCI format 0_1. For example, processor 522 may use N 1 bits for the DCI for UL. Processor 522 may use N 2 bits for the DCI for SUL. N 1 may be greater than N 2 . In such case, instead of adding zero paddings (e.g., N 1 –N 2 bits) to the DCI for SUL, processor 522 may be configured to extend the UL/SUL indicator to the end of the DCI format.
  • zero paddings e.g., N 1 –N 2 bits
  • the DCI size of the DCI for SUL may be matched with the DCI size of the DCI for UL and the last bit of the DCI for SUL may have the same value as the UL/SUL indicator. Accordingly, processor 512 may be able to determine whether the DCI is for UL or SUL according to the last bit of the received DCI format.
  • processor 522 may use N 1 bits for the DCI for UL.
  • Processor 522 may use N 2 bits for the DCI for SUL.
  • N 1 may be less than or equal to N 2 .
  • processor 522 may be configured to extend the last bit of DCI to the end of the DCI format.
  • the DCI size of the DCI for UL may be matched with the DCI size of the DCI for SUL and the last bit of the DCI for UL may have the same value as the UL/SUL indicator. Accordingly, processor 512 may be able to determine whether the DCI is for UL or SUL according to the last bit of the received DCI format.
  • processor 522 may be configured to replace only part of the zero padded bits by repetition of UL/SUL indicator bit.
  • processor 522 may also replace the bit extension or the repetition of a single bit by the repetition of multiple bits in an event that the indicator or the information needed to be identified at the end of the DCI format corresponds to multiple bits.
  • FIG. 6 illustrates an example process 600 in accordance with an implementation of the present disclosure.
  • Process 600 may be an example implementation of scenarios 300, 401 and 402, whether partially or completely, with respect to DCI format design with the present disclosure.
  • Process 600 may represent an aspect of implementation of features of communication apparatus 510.
  • Process 600 may include one or more operations, actions, or functions as illustrated by one or more of blocks 610, 620, 630 and 640. Although illustrated as discrete blocks, various blocks of process 600 may be divided into additional blocks, combined into fewer blocks, or eliminated, depending on the desired implementation. Moreover, the blocks of process 600 may executed in the order shown in FIG. 6 or, alternatively, in a different order.
  • Process 600 may be implemented by communication apparatus 510 or any suitable UE or machine type devices. Solely for illustrative purposes and without limitation, process 600 is described below in the context of communication apparatus 510.
  • Process 600 may begin at block 610.
  • process 600 may involve processor 512 of apparatus 510 receiving a DCI format from a network node. Process 600 may proceed from 610 to 620.
  • process 600 may involve processor 512 retrieving an indicator from a fixed position of the DCI format. Process 600 may proceed from 620 to 630.
  • process 600 may involve processor 512 determining whether a SUL is configured according to the indicator. Process 600 may proceed from 630 to 640.
  • process 600 may involve processor 512 performing a PUSCH transmission according to a determination result.
  • the DCI format may comprise a DCI format 0_0, or a DCI format 0_1.
  • the fixed position may comprise a front position of the DCI format.
  • the fixed position may comprise an end position of the DCI format.
  • the fixed position may comprise a position after a carrier indicator or a DCI format identifier.
  • the fixed position may comprise a last bit position of the DCI format after at least one padding bit.
  • process 600 may involve processor 512 determining that the SUL is not configured in an event that the indicator comprises 0 bit.
  • process 600 may involve processor 512 determining that the SUL is configured in an event that the indicator comprises 1 bit.
  • any two components so associated can also be viewed as being “operably connected” , or “operably coupled” , to each other to achieve the desired functionality, and any two components capable of being so associated can also be viewed as being “operably couplable” , to each other to achieve the desired functionality.
  • operably couplable include but are not limited to physically mateable and/or physically interacting components and/or wirelessly interactable and/or wirelessly interacting components and/or logically interacting and/or logically interactable components.

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Abstract

L'invention concerne diverses solutions pour la conception de format d'informations de commande de liaison descendante (DCI) par rapport à un équipement utilisateur et un appareil de réseau dans des communications mobiles. Un appareil peut recevoir un format DCI à partir d'un noeud de réseau. L'appareil peut récupérer un indicateur à partir d'une position fixe du format DCI. L'appareil peut déterminer si une liaison montante supplémentaire (SUL) est configurée selon l'indicateur. L'appareil peut effectuer une transmission de canal partagé de liaison montante physique (PUSCH) selon un résultat de détermination.
PCT/CN2019/074339 2018-02-13 2019-02-01 Conception de format d'informations de commande de liaison descendante dans des communications mobiles Ceased WO2019157981A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201980000969.XA CN110383929A (zh) 2018-02-13 2019-02-01 移动通信中的下行链路控制信息格式设计

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201862629742P 2018-02-13 2018-02-13
US62/629,742 2018-02-13
US16/262,686 US20190254008A1 (en) 2018-02-13 2019-01-30 Downlink Control Information Format Design In Mobile Communications
US16/262,686 2019-01-30

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